import axios from 'axios'
import { Message } from 'element-ui'
import store from '@/store'
import { getToken } from '@/utils/auth'
import router from '@/router'
// import { isBase64Image } from '@/utils/base64'

// console.log(`API基地址：${process.env.VUE_APP_BASE_API}`)

// create an axios instance
const service = axios.create({
  // https://slwl-geteway.itheima.net
  // baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
  baseURL: 'https://slwl-geteway.itheima.net',
  // withCredentials: true, // send cookies when cross-domain requests
  // baseURL: 'https://slwl-api.itheima.net',
  timeout: 5000 // request timeout
})

// request interceptor
service.interceptors.request.use(
  config => {
    // do something before request is sent

    if (store.getters.token) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      config.headers.Authorization = getToken()
    }
    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
  */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {
    // 如果是二进制，直接返回
    if (response.data instanceof Blob) {
      return response.data
    }
    // if the custom code is not 20000, it is judged as an error.
    if (response.data.code !== 200) {
      Message({
        message: response.data.msg || 'Error',
        type: 'error',
        duration: 5 * 1000
      })

      // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
      // if (res.code === 50008 || res.code === 50012 || res.code === 50014) {
      //   // to re-login
      //   MessageBox.confirm('You have been logged out, you can cancel to stay on this page, or log in again', 'Confirm logout', {
      //     confirmButtonText: 'Re-Login',
      //     cancelButtonText: 'Cancel',
      //     type: 'warning'
      //   }).then(() => {
      //     store.dispatch('user/resetToken').then(() => {
      //       location.reload()
      //     })
      //   })
      // }
      return Promise.reject(new Error(response.data.msg || '请求失败，请重试'))
    } else {
      return response.data
    }
  },
  error => {
    // console.log('err' + error) // for debug
    // 处理token过期
    if (error.response && error.response.status === 401) {
      // 删除token
      store.dispatch('user/resetToken')
      Message({
        message: '登录状态已失效，请重新登录',
        type: 'error',
        duration: 5 * 1000
      })
      // 跳转到登录
      router.push('/login')
      return Promise.reject(error)
    } else {
      Message({
        message: error.msg || '请求失败，请重试',
        type: 'error',
        duration: 5 * 1000
      })
      return Promise.reject(error)
    }
  }
)

export default service
